Jefferson County climate

Jefferson County Weather in July

NOAA 1991-2020 normals for Evergreen, 8 km from Jefferson County

Average highs run from 80°F on July 1 to 81°F on July 31, and lows from 47°F to 50°F. Normal precipitation for the month is 2.20 in over about 12 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Jefferson County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
81°F
Average low
49°F
Precipitation
2.20 in
Record high
101°FJul 20, 2005
Record low
48°FJul 8, 2024
Chance of a freeze
0%
Days of 90°F or more
3.3
Daylight
14 h 55 min to 14 h 15 min
Cloud cover
50%
Humidity
45%
Dew point
45°F
Wind
7.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 180°F47°F98°F 200149°F 202333%0%
Jul 280°F47°F97°F 200153°F 200433%0%
Jul 380°F47°F95°F 200751°F 200433%0%
Jul 481°F47°F98°F 200149°F 200534%0%
Jul 581°F48°F97°F 200150°F 201034%0%
Jul 681°F48°F99°F 200051°F 200534%0%
Jul 781°F48°F96°F 201452°F 200434%0%
Jul 881°F48°F99°F 200348°F 202435%0%
Jul 981°F48°F98°F 202250°F 201035%0%
Jul 1081°F49°F99°F 202251°F 200635%0%
Jul 1181°F49°F97°F 201351°F 199936%0%
Jul 1282°F49°F99°F 202451°F 199936%0%
Jul 1382°F49°F100°F 200353°F 200836%0%
Jul 1482°F49°F97°F 202456°F 200937%0%
Jul 1582°F49°F95°F 200651°F 202137%0%
Jul 1682°F50°F98°F 200352°F 201737%0%
Jul 1782°F50°F99°F 200354°F 201438%0%
Jul 1882°F50°F99°F 199852°F 201538%0%
Jul 1982°F50°F100°F 201954°F 201538%0%
Jul 2082°F50°F101°F 200553°F 202338%0%
Jul 2182°F50°F100°F 200555°F 199939%0%
Jul 2282°F50°F98°F 200552°F 202439%0%
Jul 2382°F50°F98°F 200554°F 200439%0%
Jul 2482°F50°F99°F 200349°F 200440%0%
Jul 2581°F50°F97°F 202651°F 200440%0%
Jul 2681°F50°F100°F 202651°F 200440%0%
Jul 2781°F50°F94°F 201051°F 200440%0%
Jul 2881°F50°F96°F 202153°F 200441%0%
Jul 2981°F50°F97°F 200150°F 200441%0%
Jul 3081°F50°F97°F 200550°F 200941%0%
Jul 3181°F50°F98°F 200250°F 200941%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

July 1
sunrise 5:37 AM, sunset 8:32 PM
July 31
sunrise 6:00 AM, sunset 8:15 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00052790 (Evergreen), public domain. Records: NOAA GHCN-Daily, station USW00093067, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.